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Aug 20, 2015
08/15

by
Mauro Beltrán

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Mauro Beltrán - Mueren De Pie Los Árboles Que No Saben Crecer (2015)

Topics: ambient, music

Rafael Carrillo Luquez

Topic: Creador de la filosofía moderna en Colombia

A photo from a nice landscape

Topic: Landscape

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35

Mar 7, 2015
03/15

by
Javier Beltrán & ROSARITO

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Spanish music band ROSARITO. First music video clip. Name: "fresas salvajes"

Topics: mex, folk, pop, forest, animals, spain, Aragón, Zaragoza, music

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12

Dec 15, 2015
12/15

by
Geney Beltrán Félix

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Una ambición inconclusa, análisis de la novela de Javier Cercas

Topics: Javier Cercas, Soldados de Salamina

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Aug 31, 2015
08/15

by
Mauro Beltrán Marcos

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Mueren De Pie Los Árboles Que No Saben Crecer. Mauro Beltrán. 2015

Topics: music, ambient, experimental, post-rock, noise, drone

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22

Jun 2, 2015
06/15

by
Sergio David Rincón Beltrán

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Por estudiante primer semestre universidad de La Salle

Topic: Sordo-Mudos

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Jun 28, 2018
06/18

by
David Beltran; Jonathan Bennett

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Through the study of novel variants of the classical Littlewood-Paley-Stein $g$-functions, we obtain pointwise estimates for broad classes of highly-singular Fourier multipliers on $\mathbb{R}^d$ satisfying regularity hypotheses adapted to fine (subdyadic) scales. In particular, this allows us to efficiently bound such multipliers by geometrically-defined maximal operators via general weighted $L^2$ inequalities, in the spirit of a well-known conjecture of Stein. Our framework applies to...

Topics: Classical Analysis and ODEs, Mathematics

Source: http://arxiv.org/abs/1510.01897

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Oct 19, 2015
10/15

by
Geney Beltrán Félix

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Crítica a la novela Cualquier cadáver de Geney Beltrán Félix

Topic: Simpatías y diferencias novela violenciametaliteratura

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30

Nov 25, 2015
11/15

by
biblioteca publica municipal Manuela Beltrán

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Realización del taller con la metodologia SOLE en el municipio de Confines Santander, en el marco del proyecto Uso y Apropiación de las TIC en Bibliotecas Públicas

Topics: biblioteca, confines, santander, TIC, SOLE Manuela Beltrán

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Jun 27, 2018
06/18

by
J. Beltrán; M. Jara; C. Landim

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We prove uniqueness of a martingale problem with boundary conditions on a simplex associated to a differential operator with an unbounded drift. We show that the solution of the martingale problem remains absorbed at the boundary once it attains it, and that, after hitting the boundary, it performs a diffusion on a lower dimensional simplex, similar to the original one. We also prove that in the diffusive time scale condensing zero-range processes evolve as this absorbed diffusion.

Topics: Mathematics, Probability

Source: http://arxiv.org/abs/1505.00980

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0.0

Jun 28, 2018
06/18

by
M. T. Beltran; W. J. de Wit

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An observational review is provided of the properties of accretion disks around young stars. It concerns the primordial disks of intermediate- and high-mass young stellar objects in embedded and optically revealed phases. The properties were derived from spatially resolved observations and therefore predominantly obtained with interferometric means, either in the radio/(sub)millimeter or in the optical/infrared wavelength regions. We make summaries and comparisons of the physical properties,...

Topics: Astrophysics, Astrophysics of Galaxies, Solar and Stellar Astrophysics

Source: http://arxiv.org/abs/1509.08335

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152

May 4, 2015
05/15

by
Viviana Tituaña, Karen Beltran y Anghelo Cevallos

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Especial de la Radio por los 66 Años.

Topic: RCCE 66 Años

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3.0

Jun 28, 2018
06/18

by
A. Beltrán; M. Falla Luza; D. Marín

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The aim of this work is to study global $3$-webs with vanishing curvature. We wish to investigate degree $3$ foliations for which their dual web is flat. The main ingredient is the Legendre transform, which is an avatar of classical projective duality in the realm of differential equations. We find a characterization of degree $3$ foliations whose Legendre transform are webs with zero curvature.

Topics: Mathematics, Algebraic Geometry

Source: http://arxiv.org/abs/1509.05587

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Jun 28, 2018
06/18

by
T. Stauber; J. I. Beltrán; J. Schliemann

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We introduce an effective tight-binding model to discuss penta-graphene and present an analytical solution. This model only involves the $\pi$-orbitals of the sp$^2$-hybridized carbon atoms and reproduces the two highest valence bands. By introducing energy-dependent hopping elements, originating from the elimination of the sp$^3$-hybridized carbon atoms, also the two lowest conduction bands can be well approximated - but only after the inclusion of a Hubbard onsite interaction as well as of...

Topics: Mesoscale and Nanoscale Physics, Condensed Matter

Source: http://arxiv.org/abs/1509.08651

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Jun 28, 2018
06/18

by
Jose Beltran Jimenez; Federico Piazza; Hermano Velten

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By using observations of the Hulse-Taylor pulsar we constrain the gravitational wave (GW) speed to the level of $10^{-2}$. We apply this result to scalar-tensor theories that generalize Galileon 4 and 5 models, which display anomalous propagation speed and coupling to matter for GWs. We argue that this effect survives conventional screening due to the persistence of a scalar field gradient inside virialized overdensities, which effectively "pierces" the Vainshtein screening. In...

Topics: General Relativity and Quantum Cosmology, Cosmology and Nongalactic Astrophysics, Astrophysics,...

Source: http://arxiv.org/abs/1507.05047

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Jun 28, 2018
06/18

by
Carlos Beltrán; Jordi Marzo; Joaquim Ortega-Cerdà

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We study expected Riesz s-energies and linear statistics of some determinantal processes on the sphere. In particular, we compute the expected Riesz and logarithmic energies of the determinantal processes given by the reproducing kernel of the space of spherical harmonics. This kernel defines the so called harmonic ensemble on the sphere. With these computations we improve previous estimates for the discrete minimal energy of configurations of points in the sphere. We prove a comparison result...

Topics: Probability, Classical Analysis and ODEs, Mathematics

Source: http://arxiv.org/abs/1511.02535

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Jun 28, 2018
06/18

by
Jose Beltrán Jiménez; Tomi S. Koivisto

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Spacetime with general linear vector distortion is introduced. Thus, the torsion and the nonmetricity of the affine connection are assumed to be proportional to a vector field (and not its derivatives). The resulting two-parameter family of non-Riemannian geometries generalises the conformal Weyl geometry and some other interesting special cases. Taking into account the leading order quadratic curvature correction to the Einstein-Hilbert action results uniquely in the one-parameter extension of...

Topics: General Relativity and Quantum Cosmology, Cosmology and Nongalactic Astrophysics, Astrophysics,...

Source: http://arxiv.org/abs/1509.02476

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May 5, 2015
05/15

by
Nestor Beltran y Juan Roberto Pinilla

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Nestor Beltran y Juan Roberto Pinilla, tema especifico del futbol colombiano y copa libertadores

Topics: Nestor Beltran, Juan Roberto Pinilla, Futbol Colombiano, Copa Libertadores

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Jun 28, 2018
06/18

by
Diego Armentano; Carlos Beltrán; Peter Bürgisser; Felipe Cucker; Michael Shub

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Smale's 17th problem asks for an algorithm which finds an approximate zero of polynomial systems in average polynomial time (see Smale 2000). The main progress on Smale's problem is Beltr\'an-Pardo (2011) and B\"urgisser-Cucker (2010). In this paper we will improve on both approaches and we prove an important intermediate result. Our main results are Theorem 1 on the complexity of a randomized algorithm which improves the result of Beltr\'an-Pardo (2011), Theorem 2 on the average of the...

Topics: Mathematics, Numerical Analysis

Source: http://arxiv.org/abs/1507.03896

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Jun 28, 2018
06/18

by
Matteo Brucato; Juan Felipe Beltran; Azza Abouzied; Alexandra Meliou

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Traditional database queries follow a simple model: they define constraints that each tuple in the result must satisfy. This model is computationally efficient, as the database system can evaluate the query conditions on each tuple individually. However, many practical, real-world problems require a collection of result tuples to satisfy constraints collectively, rather than individually. In this paper, we present package queries, a new query model that extends traditional database queries to...

Topics: Databases, Computing Research Repository

Source: http://arxiv.org/abs/1512.03564

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4.0

Jun 27, 2018
06/18

by
Jose Beltrán Jiménez; Lavinia Heisenberg; Gonzalo J. Olmo

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We study a general class of gravitational theories formulated in the Palatini approach and derive the equations governing the evolution of tensor perturbations. In the absence of torsion, the connection can be solved as the Christoffel symbols of an auxiliary metric which is non-trivially related to the space-time metric. We then consider background solutions corresponding to a perfect fluid and show that the tensor perturbations equations (including anisotropic stresses) for the auxiliary...

Topics: General Relativity and Quantum Cosmology, Astrophysics, High Energy Physics - Theory, Cosmology and...

Source: http://arxiv.org/abs/1504.00295

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3.0

Jun 28, 2018
06/18

by
E. Menéndez-Proupin; Carlos L. Beltrán Ríos; P. Wahnón

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The excitons in the orthorhombic phase of the perovskite CH$_3$NH$_3$PbI$_3$ are studied using the effective mass approximation. The electron-hole interaction is screened by a distance-dependent dielectric function, as described by the Haken potential or the Pollmann-B\"uttner potential. The energy spectrum and the eigenfunctions are calculated for both cases. The effective masses, the low and high frequency dielectric constants, and the interband absorption matrix elements, are obtained...

Topics: Condensed Matter, Materials Science

Source: http://arxiv.org/abs/1507.00404

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3.0

Jun 28, 2018
06/18

by
E. Barradas-Guevara; O. Félix-Beltrán; E. Rodríguez-Jáuregui

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We analyze the Higgs sector of the minimal $S(3)$-invariant extension of the Standard Model including CP violation arising from the spontaneous electroweak symmetry breaking. This extended Higgs sector includes three SU(2) doublets Higgs fields with complex vev's providing an interesting scenario to analyze the Higgs masses spectrum, trilinear Higgs self-couplings and CP violation. We present how the spontaneous electroweak symmetry breaking coming from three $S(3)$ Higgs fields gives an...

Topic: High Energy Physics - Phenomenology

Source: http://arxiv.org/abs/1507.05180

Este libro de problemas con ayudas es la primera parte de un conjunto de dos que comprenderá todas las fases del proceso estadístico aplicado a las ciencias sociales. En este volumen se estudian mediante problemas los principales rasgos de la estadística descriptiva de una variable, de dos variables, los números índices y series temporales. La novedad que presenta este manual es que todos los ejercicios tienen dos tipos de ayudas que aportan «pistas» de cómo resolver los ejercicios y...

Topics: Mathematics, Statistics, Social sciences, Problems & Exercises

Source: http://repositori.uji.es/xmlui/handle/10234/121183

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0.0

Jun 28, 2018
06/18

by
Hector M. Castro-Beltran; Ricardo Roman-Ancheyta; Luis Gutierrez

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Electron shelving gives rise to bright and dark periods in the resonance fluorescence of a three-level atom. The corresponding incoherent spectrum contains a very narrow inelastic peak on top of a two-level-like spectrum. Using the theories of balanced and conditional homodyne detection we study ensemble averaged phase-dependent fluctuations of intermittent resonance fluorescence. The sharp peak is found only in the spectra of the squeezed quadrature. In balanced homodyne detection that peak is...

Topic: Quantum Physics

Source: http://arxiv.org/abs/1512.01200

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3.0

Jun 27, 2018
06/18

by
Diego Armentano; Carlos Beltrán; Peter Bürgisser; Felipe Cucker; Michael Shub

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We describe algorithms for computing eigenpairs (eigenvalue-eigenvector pairs) of a complex $n\times n$ matrix $A$. These algorithms are numerically stable, strongly accurate, and theoretically efficient (i.e., polynomial-time). We do not believe they outperform in practice the algorithms currently used for this computational problem. The merit of our paper is to give a positive answer to a long-standing open problem in numerical linear algebra.

Topics: Mathematics, Numerical Analysis

Source: http://arxiv.org/abs/1505.03290

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2.0

Jun 28, 2018
06/18

by
Jose Beltran Jimenez; Lavinia Heisenberg; Gonzalo J. Olmo; Christophe Ringeval

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In the framework of Born-Infeld inspired gravity theories, which deviates from General Relativity (GR) in the high curvature regime, we discuss the viability of Cosmic Inflation without scalar fields. For energy densities higher than the new mass scale of the theory, a gravitating dust component is shown to generically induce an accelerated expansion of the Universe. Within such a simple scenario, inflation gracefully exits when the GR regime is recovered, but the Universe would remain matter...

Topics: General Relativity and Quantum Cosmology, Cosmology and Nongalactic Astrophysics, Astrophysics

Source: http://arxiv.org/abs/1509.01188

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3.0

Jun 27, 2018
06/18

by
Andrés Beltrán; Maycol Falla Luza; David Marín; Marcel Nicolau

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We introduce the notion of Galois holomorphic foliation on the complex projective space as that of foliations whose Gauss map is a Galois covering when restricted to an appropriate Zariski open subset. First, we establish general criteria assuring that a rational map between projective manifolds of the same dimension defines a Galois covering. Then, these criteria are used to give a geometric characterization of Galois foliations in terms of their inflection divisor and their singularities. We...

Topics: Algebraic Geometry, Complex Variables, Mathematics, Dynamical Systems

Source: http://arxiv.org/abs/1503.04627

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0.0

Jun 28, 2018
06/18

by
M. A. Beltran; T. C. Petersen; M. J. Kitchen; D. M. Paganin

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We retrieve depth information (moments) of an object using partially coherent fields and defocus induced holographic contrast. Our analysis leads to a form of tomography that does not require sample or source rotation. The tomography method presented here is performed with only two in-line images.

Topics: Optics, Physics

Source: http://arxiv.org/abs/1512.06435

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0.0

Jun 27, 2018
06/18

by
A. J. Sirois; M. A. Castellanos-Beltran; M. P. DeFeo; L. Ranzani; F. Q. Lecocq; R. W. Simmonds; J. D. Teufel; J. Aumentado

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In superconducting quantum information, machined aluminum superconducting cavities have proven to be a well-controlled, low-dissipation electromagnetic environment for quantum circuits such as qubits. They can possess large internal quality factors, $Q_{int}>10^8$, and present the possibility of storing quantum information for times far exceeding those of microfabricated circuits. However, in order to be useful as a storage element, these cavities require a fast "read/write"...

Topic: Quantum Physics

Source: http://arxiv.org/abs/1503.02571

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Jul 26, 2018
07/18

by
Actress; Autechre; Beneath; Breaker 1 2; Chameleon; Chez N Trent; GNESIS; Gherkin Jerks; Hank Jackson; John Beltran; Lorenzo Senni; Mark Fell; Moon B; Reel by Real; SHXCXCHCXSH; STL; Shit and Shine; Simbiosi; Snakepiss; Zennor

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Tracklist: 1. 2 - Breaker 1 2 2. Elegant, and Never Tiring - Lorenzo Senni 3. Look at Me - Reel by Real 4. Pen Expers - Autechre 5. Thought 2 - Chameleon 6. Stress 1 - Beneath 7. Impari - Simbiosi 8. Tin - Zennor 9. Anticipation - John Beltran 10. Those Moments - Moon B 11. Psychelicious - STL 12. Toil - Snakepiss 13. Pearl Drop - Shit and Shine 14. Windy City Club - Chez N Trent 15. Section 1-7 - Mark Fell 16. Pear - GNESIS 17. LDWGWTT - SHXCXCHCXSH 18. [untitled] - Hank Jackson 19. Bird...

Source: CD

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4.0

Jun 28, 2018
06/18

by
M. T. Beltran; E. Bianchi; J. Brand; V. Casasola; R. Cesaroni; C. Codella; F. Fontani; L. Gregorini; G. Guidi; L. Hunt; E. Liuzzo; A. Marconi; M. Massardi; L. Moscadelli; R. Paladino; L. Podio; I. Prandoni; K. L. J. Rygl; V. Rivilla; .; L. Testi

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The Premiale Project "Science and Technology in Italy for the upgraded ALMA Observatory - iALMA" has the goal of strengthening the scientific, technological and industrial Italian contribution to the Atacama Large Millimeter/submillimeter Array (ALMA), the largest ground based international infrastructure for the study of the Universe in the microwave. One of the main objectives of the Science Working Group (SWG) inside iALMA, the Work Package 1, is to develop the Italian contribution...

Topics: Instrumentation and Methods for Astrophysics, Astrophysics

Source: http://arxiv.org/abs/1509.02702

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0.0

Jun 28, 2018
06/18

by
Andrea Isella; Charles L. H. Hull; Arielle Moullet; Roberto Galván-Madrid; Doug Johnstone; Luca Ricci; John Tobin; Leonardo Testi; Maite Beltran; Joseph Lazio; Andrew Siemion; Hauyu Baobab Liu; Fujun Du; Karin I. Öberg; Ted Bergin; Paola Caselli; Tyler Bourke; Chris Carilli; Laura Perez; Bryan Butler; Imke de Pater; Chunhua Qi; Mark Hofstadter; Raphael Moreno; David Alexander; Jonathan Williams; Paul Goldsmith; Mark Wyatt; Laurent Loinard; James Di Francesco; David Wilner; Peter Schilke; Adam Ginsburg; Álvaro Sánchez-Monge; Qizhou Zhang; Henrik Beuther

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This paper discusses compelling science cases for a future long-baseline interferometer operating at millimeter and centimeter wavelengths, like the proposed Next Generation Vary Large Array (ngVLA). We report on the activities of the Cradle of Life science working group, which focused on the formation of low- and high-mass stars, the formation of planets and evolution of protoplanetary disks, the physical and compositional study of Solar System bodies, and the possible detection of radio...

Topics: Astrophysics, Instrumentation and Methods for Astrophysics, Astrophysics of Galaxies, Earth and...

Source: http://arxiv.org/abs/1510.06444

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0.0

Jun 28, 2018
06/18

by
Philip Bull; Yashar Akrami; Julian Adamek; Tessa Baker; Emilio Bellini; Jose Beltrán Jiménez; Eloisa Bentivegna; Stefano Camera; Sébastien Clesse; Jonathan H. Davis; Enea Di Dio; Jonas Enander; Alan Heavens; Lavinia Heisenberg; Bin Hu; Claudio Llinares; Roy Maartens; Edvard Mörtsell; Seshadri Nadathur; Johannes Noller; Roman Pasechnik; Marcel S. Pawlowski; Thiago S. Pereira; Miguel Quartin; Angelo Ricciardone; Signe Riemer-Sørensen; Massimiliano Rinaldi; Jeremy Sakstein; Ippocratis D. Saltas; Vincenzo Salzano; Ignacy Sawicki; Adam R. Solomon; Douglas Spolyar; Glenn D. Starkman; Danièle Steer; Ismael Tereno; Licia Verde; Francisco Villaescusa-Navarro; Mikael von Strauss; Hans A. Winther

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Despite its continued observational successes, there is a persistent (and growing) interest in extending cosmology beyond the standard model, $\Lambda$CDM. This is motivated by a range of apparently serious theoretical issues, involving such questions as the cosmological constant problem, the particle nature of dark matter, the validity of general relativity on large scales, the existence of anomalies in the CMB and on small scales, and the predictivity and testability of the inflationary...

Topics: General Relativity and Quantum Cosmology, Astrophysics, Astrophysics of Galaxies, Cosmology and...

Source: http://arxiv.org/abs/1512.05356